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Finding the Fourth Proportional to 29,493.50, 40,701.03 and 16,245.50

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Solution

The fourth proportional to 29,493.50, 40,701.03 and 16,245.50 is: 22,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,493.50 : 40,701.03 = 16,245.50 : x
  2. Step 2: Convert to fraction form
    29,493.50/40,701.03 = 16,245.50/x
  3. Step 3: Cross multiply
    29,493.50x = 40,701.03 × 16,245.50
  4. Step 4: Simplify right side
    29,493.50x = 661,208,582.87
  5. Step 5: Solve for x
    x = 661,208,582.87/29,493.50
  6. Step 6: Final answer
    x = 22,418.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.